Description: 【Material】The Flashing Wristband Toy is made of quality cloth, great, not easy to deform or bend, and can serve them for a long time. 【Size】The wrist band ball measures 2.6'' in diameter, small and lightweight, suitable for children and adult to exercise and play. 【Educational】Elastic bouncy wristband ball is suitable for wrist exercises or play, helping to improve reaction ability, eye hand coordination ability. 【Light Up】Light Up Wrist Ball, Tie the wrist strap around the wrist, then throw the ball to the ground or wall. The thrower can hold the returning ball and continue the previous action. 【Application】The wrist return balls are also suitable for birthday party favors, parent child activity, home gathering, outdoor leisure sports Size Chart: Ball Diameter: 6.6cm/2.60inch Package Includes: 1 Light Up Wrist Ball(4 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.